feat(@angular/cli): report RAM in gigabytes instead of megabytes

Otherwise its too much noise. Some people have weird MB count probably due to
containers and VMs.

Author: hansl

docs/design/analytics.md

@@ -43,7 +43,7 @@ Note: There's a limit of 20 custom dimensions.
 |:---:|:---|:---|
 | 1 | `CPU Count` | `number` |
 | 2 | `CPU Speed` | `number` |
-| 3 | `RAM (In MB)` | `number` |
+| 3 | `RAM (In GB)` | `number` |
 | 4 | `Node Version` | `number` |
 | 5 | `Flag: --style` | `string` |
 | 6 | `--collection` | `string` |

etc/api/angular_devkit/core/src/_golden-api.d.ts

@@ -614,7 +614,7 @@ export declare class MultiAnalytics implements Analytics {
 export declare enum NgCliAnalyticsDimensions {
     CpuCount = 1,
     CpuSpeed = 2,
-    RamInMegabytes = 3,
+    RamInGigabytes = 3,
     NodeVersion = 4,
     NgAddCollection = 6,
     NgBuildBuildEventLog = 7,

packages/angular/cli/models/analytics.ts

@@ -20,7 +20,7 @@ import { isTTY } from '../utilities/tty';
 const analyticsDebug = debug('ng:analytics'); // Generate analytics, including settings and users.
 const analyticsLogDebug = debug('ng:analytics:log'); // Actual logs of events.
 
-const BYTES_PER_MEGABYTES = 1024 * 1024;
+const BYTES_PER_GIGABYTES = 1024 * 1024 * 1024;
 
 let _defaultAngularCliPropertyCache: string;
 export const AnalyticsProperties = {
@@ -129,8 +129,8 @@ function _getCpuSpeed() {
  * @private
  */
 function _getRamSize() {
-  // Report in megabytes. Otherwise it's too much noise.
-  return Math.floor(os.totalmem() / BYTES_PER_MEGABYTES);
+  // Report in gigabytes (or closest). Otherwise it's too much noise.
+  return Math.round(os.totalmem() / BYTES_PER_GIGABYTES);
 }
 
 /**
@@ -287,7 +287,7 @@ export class UniversalAnalytics implements analytics.Analytics {
     // We set custom metrics for values we care about.
     this._dimensions[analytics.NgCliAnalyticsDimensions.CpuCount] = _getCpuCount();
     this._dimensions[analytics.NgCliAnalyticsDimensions.CpuSpeed] = _getCpuSpeed();
-    this._dimensions[analytics.NgCliAnalyticsDimensions.RamInMegabytes] = _getRamSize();
+    this._dimensions[analytics.NgCliAnalyticsDimensions.RamInGigabytes] = _getRamSize();
     this._dimensions[analytics.NgCliAnalyticsDimensions.NodeVersion] = _getNumericNodeVersion();
   }
 

packages/angular_devkit/core/src/analytics/index.ts

@@ -11,7 +11,6 @@ export * from './logging';
 export * from './multi';
 export * from './noop';
 
-
 /**
  * MAKE SURE TO KEEP THIS IN SYNC WITH THE TABLE AND CONTENT IN `/docs/design/analytics.md`.
  * WE LIST THOSE DIMENSIONS (AND MORE).
@@ -23,7 +22,7 @@ export * from './noop';
 export enum NgCliAnalyticsDimensions {
   CpuCount = 1,
   CpuSpeed = 2,
-  RamInMegabytes = 3,
+  RamInGigabytes = 3,
   NodeVersion = 4,
   NgAddCollection = 6,
   NgBuildBuildEventLog = 7,
@@ -53,7 +52,7 @@ export enum NgCliAnalyticsMetrics {
 export const NgCliAnalyticsDimensionsFlagInfo: { [name: string]: [string, string] } = {
   CpuCount: ['CPU Count', 'number'],
   CpuSpeed: ['CPU Speed', 'number'],
-  RamInMegabytes: ['RAM (In MB)', 'number'],
+  RamInGigabytes: ['RAM (In GB)', 'number'],
   NodeVersion: ['Node Version', 'number'],
   NgAddCollection: ['--collection', 'string'],
   NgBuildBuildEventLog: ['--buildEventLog', 'boolean'],